| A R Burnett Accounting Limited | Stockport | 2026 |
| A R Business Consultants (UK) Ltd | Croydon | 2005 |
| A R Business Services (UK) Limited | Pinner | 2013 |
| A R Consultancy Limited | Wilmslow | 1998 |
| A R Deane Ltd | York | 2025 |
| A R Digital Media Ltd | Dudley | 2022 |
| A R Dury & Co Wraxall Limited | Bristol | 2004 |
| A R E Factor Limited | London | 2009 |
| A R Engineering Solutions Ltd | Hedon | 2022 |
| A R F a Consulting Ltd | St. Albans | 2009 |
| A R Financial Solutions Ltd | Horley | 2025 |
| A R Hannay Ltd | King'S Lynn | 2013 |
| A R Hopkins Ltd | Euxton Lane, Chorley | 2024 |
| A R Hutson Services Ltd | Lechlade | 2017 |
| A R Hyde & Co Ltd | Cambridge | 2010 |
| A R Jones Ltd | Mansfield | 2020 |
| A R Kitney Design Ltd | Whitby | 2023 |
| A R Law Chambers Limited | Mitcham | 2014 |
| A R LEE & Co Limited | Longfield | 2012 |
| A R Lowther Projects Ltd | Market Harborough | 2022 |
| A R M Direct Limited | London | 1984 |
| A R Malik Consulting Ltd | Harrow | 2026 |
| A R Mason Ltd | Leicester | 2010 |
| A R Mechanical Ltd | Wakefield | 2026 |
| A R Miles Associates Limited | Leamington Spa | 2018 |
| A R Mitchell & Co Limited | St. Austell | 2012 |
| A R Parry & Co Limited | Coventry | 2003 |
| A R Procurement Limited | York | 2014 |
| A R R Price Limited | Nottingham | 2012 |
| A R Rapps Ltd | Bungay | 2016 |
| A R Reed Surveying Services Ltd | Malvern | 2008 |
| A R RPE Limited | Rochester | 2020 |
| A R Thomas Consulting Ltd | Manchester | 2023 |
| A R U.K Holding Limited | Bradford | 2017 |
| A R Van DEN Boogaard Stamrecht Limited | Taunton | 2009 |
| A R Waste Consulting Limited | Dundee | 2010 |
| A R Wiseman Consulting Ltd | Crewe | 2020 |
| A Rama Consulting Ltd | London | 2022 |
| A Ramesh & Company (Certified Public Accountants & Tax Advisers) Limited | Wallington | 2019 |
| A Ramsay Holdings Limited | Greenock | 2024 |
| A Rana Limited | Solihull | 2006 |
| A Randall Limited | Shrewsbury | 2014 |
| A Random Name Limited | Salford | 2023 |
| A Rattigan Limited | Runcorn | 2019 |
| A RAZ Consulting Limited | Rochdale | 2019 |
| A Read Associates Ltd | Boston | 2014 |
| A Reality Ltd | London | 2020 |
| A Red Ltd | Oldham | 2016 |
| A Redfern Consultancy Limited | Manchester | 2026 |
| A Redmond Services Limited | Manchester | 2010 |
| A Reed Contracting Ltd | Watford | 2013 |
| A Reef Limited | Chester | 2026 |
| A Reid Associates Limited | Beaconsfield | 2018 |
| A Resilient Future Ltd | Stanmore | 2026 |
| A Resilient Mind Limited | Hove | 2016 |
| A Rhodes Group Limited | York | 2009 |
| A Rhys Consultancy Limited | Havant | 2022 |
| A Rich Company Limited | Norwich | 2015 |
| A Richards Consulting Ltd | London | 2019 |
| A Ricochet Ltd | London | 2024 |
| A Rimmer Associates Ltd | Leicester | 2015 |
| A Robbins Engineering Services Ltd | Horsham | 2006 |
| A Robinson Commercials Ltd | Preston | 2014 |
| A Robinson Training Ltd | Clitheroe | 2019 |
| A Robson Contracts Ltd | Inverurie | 2018 |
| A Rocha International | London | 2009 |
| A Rocha Limited | London | 1984 |
| A Ronai (Eastern) Holdings Limited | Tunbridge Wells | 2001 |
| A Rose Consultants Ltd | Mattishall | 2020 |
| A Ruddick Services Ltd | Barton-Upon-Humber | 2021 |
| A Rush of Laughter Ltd | Burscough | 2018 |
| A Russell Consulting Ltd | Warrington | 2022 |
| A Russell Engineering Limited | Fareham | 2017 |
| A Ryden Developments Ltd | Brampton | 2016 |
| A S & Associates Ltd | Cheltenham | 2002 |
| A S & H (Coform) 102 | Ilkley | 1940 |
| A S a Power Solutions Limited | Hatfield | 2012 |
| A S a Recruitment Limited | Ibstock | 2001 |
| A S Accountancy Limited | Birmingham | 2017 |
| A S Advisory Ltd | Wadhurst | 2015 |
| A S Allan Limited | Dunfermline | 2010 |
| A S Barclay Ltd | Lytham St. Annes | 2020 |
| A S Bilkhu Ltd | Derby | 2008 |
| A S Black Consulting Limited | Cross Hills | 2013 |
| A S Commercial Holdings Limited | London | 1996 |
| A S Consultants Ltd | Newport | 2009 |
| A S Coonar Limited | Stevenage | 2011 |
| A S D Accountancy Services Ltd | Southampton | 2003 |
| A S D Consultants Limited | Altrincham | 2011 |
| A S D Graphics Limited | Hornchurch | 2023 |
| A S Divine Consultants Ltd | Harrow | 2024 |
| A S Dron Ltd | Croydon | 2015 |
| A S Dunn Limited | Guildford | 2002 |
| A S Environmental Solutions Limited | Bedford | 2015 |
| A S Estimations Limited | Stanford-Le-Hope | 2010 |
| A S Excellence Solicitors Ltd | Borehamwood | 2016 |
| A S Excellent Services Ltd | Ilford | 2019 |
| A S F L Limited | Surrey | 2004 |
| A S Graphic Design Limited | Leigh-On-Sea | 2017 |
| A S Gray Education Consultancy Limited | Feltham | 2024 |